Computer monitor screen with a graphical window



FIG. 1 is a front view of a computer monitor screen with a graphical window;

FIG. 2 is a front view of a second embodiment thereof;

FIG. 3 is a front view of a third embodiment thereof;

FIG. 4 is a front view of a fourth embodiment thereof;

FIG. 5 is a front view of a fifth embodiment thereof;

FIG. 6 is a front view of a sixth embodiment thereof;

FIG. 7 is a front view of a seventh embodiment thereof;

FIG. 8 is a front view of a eighth embodiment thereof;

FIG. 9 is a front view of a ninth embodiment thereof;

FIG. 10 is a front view of a tenth embodiment thereof;

FIG. 11 is a front view of a eleventh embodiment thereof; and,

FIG. 12 is a front view of a twelth embodiment thereof. 

The ornamental design for a computer monitor screen with a graphical window, as shown and described. 